US2785220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monochrome to color converter system
Assignee: Rauland Borg Corp
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Filing: 1951-11-10
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Granted: 1957-03-12
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Expires: 1971-11-10
Abstract
No abstract record available.
Inventors
- 👤 William O Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:23
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2206387A
Cited
US2532511A
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US2573777A
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FR964594A
Cited
US2634327A
Cited
US2518200A
Cited
US2653993A
Cited
US2564737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |